Chia-chi Yeh | 79e6232 | 2009-06-02 08:49:55 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2009 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #ifndef __MTPD_H__ |
| 18 | #define __MTPD_H__ |
| 19 | |
| 20 | /* The socket to the server. */ |
| 21 | extern int the_socket; |
| 22 | |
| 23 | enum exit_code { |
| 24 | USAGE_ERROR = 1, |
| 25 | SYSTEM_ERROR = 2, |
| 26 | NETWORK_ERROR = 3, |
| 27 | PROTOCOL_ERROR = 4, |
| 28 | CHALLENGE_FAILED = 5, |
| 29 | USER_REQUESTED = 6, |
| 30 | REMOTE_REQUESTED = 7, |
| 31 | PPPD_EXITED = 32, |
| 32 | }; |
| 33 | |
| 34 | enum log_level { |
| 35 | DEBUG = 0, |
| 36 | INFO = 1, |
| 37 | WARNING = 2, |
| 38 | ERROR = 3, |
| 39 | FATAL = 4, |
| 40 | LOG_MAX = 4, |
| 41 | }; |
| 42 | |
| 43 | void log_print(int level, char *format, ...); |
| 44 | void create_socket(int family, int type, char *server, char *port); |
| 45 | void start_pppd(int pppox); |
| 46 | |
| 47 | /* Each protocol must implement everything defined in this structure. Note that |
| 48 | * timeout intervals are in milliseconds, where zero means forever. To indicate |
| 49 | * an error, one should use a negative exit code such as -REMOTE_REQUESTED. */ |
| 50 | struct protocol { |
| 51 | /* The name specified in the first argument. */ |
| 52 | char *name; |
| 53 | /* The usage of the rest of the arguments. */ |
| 54 | char *usage; |
| 55 | /* Connect to the server and return the next timeout interval. */ |
| 56 | int (*connect)(int argc, char **argv); |
| 57 | /* Process the incoming packet and return the next timeout interval. */ |
| 58 | int (*process)(); |
| 59 | /* Handle the timeout event and return the next timeout interval. */ |
| 60 | int (*timeout)(); |
| 61 | /* Handle the shutdown event. */ |
| 62 | void (*shutdown)(); |
| 63 | }; |
| 64 | |
| 65 | #endif /* __MTPD_H__ */ |